NEET 2016 Biology question

Not in NEET syllabus

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:

(1)Nitrous oxide
(2)OzoneCorrect
(3)Ammonia
(4)Methane

Answer: (2)

Solution

The ozone layer in the stratosphere absorbs most of the harmful UV-B radiation of the sun. Depletion of ozone (mainly by chlorofluorocarbons) lets more UV-B reach the earth, which damages DNA, causes mutations and increases the

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Question ID VK-091998